GitHub user tisonkun added a comment to the discussion: [Bug] Failed to pull-up 
docker-compose for broker, bookie, zk and pulsar-sql

Also, the root cause is:

```
pulsar-sql | at 
org.apache.pulsar.client.admin.internal.PulsarAdminBuilderImpl.authentication(PulsarAdminBuilderImpl.java:94)
pulsar-sql | at 
org.apache.pulsar.sql.presto.PulsarConnectorConfig.getPulsarAdmin(PulsarConnectorConfig.java:479)
pulsar-sql | ... 53 more
pulsar-sql | Caused by: 
org.apache.pulsar.client.api.PulsarClientException$UnsupportedAuthenticationException:
 java.lang.ClassNotFoundException: null
```

So it's possible that `authPluginClassName` is configured but incorrect.

GitHub link: 
https://github.com/apache/pulsar/discussions/20054#discussioncomment-5569229

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